Low Pressure Switch: One McCann's Low Pressure Switch, Safety device to protect the pump from running dry when there is insufficient feed water pressure.Solenoid Valve: One Solenoid Valve with manual override, 110 or 220 Volts AC, 60 or 50 hertz, Assists with the on/off functionality of the system.Manual Flush Valve: One 1/2" brass needle valve, Regulates the product to waste ratio (systems recovery).Switch: One manual on/off Switch.Easy Maintenance & Operation: feature a compact design and have all of their components strategically located for easy access and inspection.